Audio speaker



FIG. 1 is a perspective view of an audio speaker showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view bottom plan view thereof; and,

FIG. 7 is a right side elevational view thereof.

Portions in broken lines are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for an audio speaker, as shown and described. 